Definition of knuckleball in English:

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knuckleball

Pronunciation: /ˈnəkəlˌbôl/
(also knuckler)

noun

Baseball
A slow pitch that has virtually no spin and moves erratically, typically made by releasing the ball from between the thumb and the knuckles of the first joints of the index and middle finger.
Example sentences
  • He had pitched in high school and occasionally had thrown a knuckleball.
  • Eddie Cicotte is thought to be the first major league pitcher to specialize in throwing the knuckleball.
  • Sauveur throws a fastball, knuckleball, curveball and cutter, and he changes speeds with all of them.

For editors and proofreaders

Syllabification: knuck·le·ball

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